# Question - Statistics - Karl Pearson’s Coefficient of Correlation

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#### Question

For 10 pairs of observations on two variables X and Y, the following data are available:

sum(x-2)=30, sum(y-5)=40, sum(x-2)^2=900, sum(y-5)^2=800, sum(x-2)(y-5)=480

Find the correlation coefficient between X and Y.

#### Solution

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